(1R,3S,4R)-ent-Entecavir

Name: (1R,3S,4R)-ent-Entecavir
Brand: Vaqora Chemicals
SKU: VQ-037007

About (1R,3S,4R)-ent-Entecavir

Listed under CAS 1367369-81-0, (1R,3S,4R)-ent-Entecavir is a metabolite or degradation product of Entecavir available from Vaqora Chemicals. Its molecular formula is C12H15N5O3 and its molecular weight is 277.28 g/mol. Systematically, it is named 2-amino-9-[(1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one. It is also known as (1R,3S,4S)-Entecavir.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Entecavir, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer (1R,3S,4R)-ent-Entecavir in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Entecavir

View every impurity, metabolite and intermediate we list for Entecavir.

Entecavir impurities

Specifications & identifiers

Chemical identifiers
Product name	(1R,3S,4R)-ent-Entecavir
Catalogue No.	VQ-037007
CAS Number	1367369-81-0
IUPAC name	2-amino-9-[(1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one
Molecular formula	C₁₂H₁₅N₅O₃
Molecular weight	277.28 g/mol
Exact mass	277.1175
Grade	Reference Standard
HSN code	38229090
InChIKey	QDGZDCVAUDNJFG-PRJMDXOYSA-N
SMILES	C=C1[C@@H](C[C@@H]([C@@H]1CO)O)N2C=NC3=C2N=C(NC3=O)N
PubChem CID	136219931

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.3
H-bond donors / acceptors	4 / 5
TPSA	126 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of (1R,3S,4R)-ent-Entecavir?

The CAS Registry Number of (1R,3S,4R)-ent-Entecavir is 1367369-81-0. It is also known as (1R,3S,4S)-Entecavir.

What is the molecular formula and molecular weight of (1R,3S,4R)-ent-Entecavir?

(1R,3S,4R)-ent-Entecavir has the molecular formula C12H15N5O3 and a molecular weight of 277.28 g/mol. Its IUPAC name is 2-amino-9-[(1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one.

What is (1R,3S,4R)-ent-Entecavir used for?

(1R,3S,4R)-ent-Entecavir is supplied as a characterised reference material related to Entecavir. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of (1R,3S,4R)-ent-Entecavir can I order?

We supply (1R,3S,4R)-ent-Entecavir in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (1R,3S,4R)-ent-Entecavir?

Yes. Every lot of (1R,3S,4R)-ent-Entecavir is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can (1R,3S,4R)-ent-Entecavir be shipped internationally?

Yes. We export (1R,3S,4R)-ent-Entecavir worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.